TruGlo Picatinny Riser Mount engineered for AR-15 and rifle platforms. Precision machined from durable aluminum with a Matte Black Anodized finish, this 4.00 long mounting base elevates optics by 1.00 for enhanced eye relief and optimal sight alignment. Attaches securely to standard Picatinny rails to provide a rock-solid mounting surface for red dots, scopes, and target accessories. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.